<?php
function createExcel($filename, $arrydata) {
	$excelfile = "xlsfile:/".JPATH_ROOT.DS."tmp/".$filename;
	$fp = fopen($excelfile, "wb");
	if (!is_resource($fp)) {
		die("Error al crear $excelfile");
	}
	fwrite($fp, serialize($arrydata));
	fclose($fp);
	header ("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
	header ("Last-Modified: " . gmdate("D,d M YH:i:s") . " GMT");
	header ("Cache-Control: no-cache, must-revalidate");
	header ("Pragma: no-cache");
	header ("Content-type: application/x-msexcel");
	header ("Content-Disposition: attachment; filename=\"" . $filename . "\"" );
	readfile($excelfile);
}
?>